Experiences of learning mathematics
Experiences of learning mathematics

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Experiences of learning mathematics

1.6 Do, talk and record triad

The do–talk–record triad (DTR) is a description of what is likely to take place in collaborative mathematics classrooms. It is concerned with observable events, and with the learner rather than the teacher, though many teaching insights flow from it. Although the order of the triad suggests that it should be followed in a particular sequence, this is not necessarily the case. Sometimes talking comes before doing or recording before talking. It also takes time for a learner to move from doing and talking to recording and back to doing again. At each stage the learner needs time to think and reflect on their work and results.

In a classroom where DTR is in use, you are likely to see learners who are prepared:

  • to think for themselves;

  • not to be afraid to communicate their thinking for fear it may be wrong;

  • to accept that wrong answers can be helpful;

  • to listen to their peers for comments in their own words;

  • to question their peers' ideas asking for justification, examples, or proof

In the classroom, teaching with an emphasis on DTR would look like the framework in Figure 2.

Figure 2
Figure 2

This framework links with ideas of going from the concrete to the abstract, and with notions of the importance of practical, kinaesthetic, or enactive experience on which to build understanding. It emphasises too the importance of language in learning, both the pupils' own language and the language of mathematics.

The ideas implicit in this do–talk–record framework are set out in Table 2.

Table 2

Form of activity Pupils should …
Do Action and concrete experience in multiple embodiments … work with particular examples of a more general idea.
Talk Language patterns injected,explored, listened to, developed … talk about their work with these particular examples in their own terms.
Record Stories written in pictures and words, successive ‘short-handing’, ultimately leading to standard notations … be encouraged to make their own written record of such activities. Initial records might well be in the form of pictures or words.

In many mathematics classrooms, it is common for doing and recording to take priority over talking. But it is the act of verbalising a problem that can often be of most help. Teachers can help with this verbalisation by the use of prompts such as the following.

  • Explain the question to me.

  • What do you know?

  • What are you trying to find out?

  • What have you done so far?

Often it is the act of verbalisation and the hearing of the words that provides a key to moving forward. It may be the case that hearing the words in your head is not enough, in which case say them out loud, even if you are not talking to anyone.

You have worked on the Möbius band problems yourself so now it is time to work with pupils. The way you approached the task may be different from that of your pupils. Remember to note down any differences or similarities.

Task 16 The Mobius band meets the pupils

  • Think about how you might introduce the Möbius band to a group of pupils. What would you like the pupils to do in terms of doing, talking and recording? Think about what you hope the pupils will get out of working on this task?

  • Try out your ideas by introducing the Möbius band to a group of pupils. Look for evidence of the pupils doing, talking and recording

Before you proceed further think about the task you have just completed, the mathematics involved, and the strategies you used. Were you surprised by some of the results? Jot down any further reflections in your notebook.

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